TY - JOUR
T1 - Latent inhibition as a function of positive and negative schizotypal symptoms
T2 - Evidence for a bi-directional model
AU - Shrira, Amit
AU - Tsakanikos, Elias
PY - 2009/10
Y1 - 2009/10
N2 - Latent inhibition (LI) refers to poorer learning for a previously exposed, irrelevant stimulus (PE) than for a non-preexposed, novel stimulus (NPE). According to recent theoretical accounts of this phenomenon, positive schizotypal symptoms should attenuate LI while negative symptoms should produce a persistent LI. To test this prediction, non-clinical participants (N = 115), randomly allocated to either PE or NPE group, performed a visual-search LI task and completed psychometric measures of schizotypy. Overall, fewer correct responses in the PE group than in the NPE group suggested a LI effect. Subsequent regression analyses showed that in the PE group positive schizotypy was associated with attenuated LI whereas negative schizotypy was associated with enhanced LI. To the best of our knowledge, this study provides the first evidence for a bi-directional model of LI modulation in schizotypy.
AB - Latent inhibition (LI) refers to poorer learning for a previously exposed, irrelevant stimulus (PE) than for a non-preexposed, novel stimulus (NPE). According to recent theoretical accounts of this phenomenon, positive schizotypal symptoms should attenuate LI while negative symptoms should produce a persistent LI. To test this prediction, non-clinical participants (N = 115), randomly allocated to either PE or NPE group, performed a visual-search LI task and completed psychometric measures of schizotypy. Overall, fewer correct responses in the PE group than in the NPE group suggested a LI effect. Subsequent regression analyses showed that in the PE group positive schizotypy was associated with attenuated LI whereas negative schizotypy was associated with enhanced LI. To the best of our knowledge, this study provides the first evidence for a bi-directional model of LI modulation in schizotypy.
KW - Latent inhibition
KW - Negative symptoms
KW - Positive symptoms
KW - Schizotypy
UR - http://www.scopus.com/inward/record.url?scp=67349086021&partnerID=8YFLogxK
U2 - 10.1016/j.paid.2009.04.015
DO - 10.1016/j.paid.2009.04.015
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AN - SCOPUS:67349086021
SN - 0191-8869
VL - 47
SP - 434
EP - 438
JO - Personality and Individual Differences
JF - Personality and Individual Differences
IS - 5
ER -